package oop.Demo07;

//static:
public class Student {
    private static int age;//静态的变量
    private double score;//非静态的变量
    public void run(){

    }
    public static void go(){

    }

    public static void main(String[] args) {
        Student s1 = new Student();
        System.out.println(Student.age);
        System.out.println(s1.age);
        System.out.println(s1.score);
    }
}
